ref: d6a5788b14e6f7bac54b9cab19b70af137c34e4d
parent: 2bd648a7378ed4eba107c2ee60392575945ae3f1
author: robs <robs>
date: Sat Jan 24 14:51:56 EST 2009
updates for --guard
--- /dev/null
+++ b/src/sox_sample_test.c
@@ -1,0 +1,18 @@
+/* libSoX test code copyright (c) 2006 robs@users.sourceforge.net
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+ * Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "sox_sample_test.h"
--- /dev/null
+++ b/src/sox_sample_test.h
@@ -1,0 +1,203 @@
+/* libSoX test code copyright (c) 2006 robs@users.sourceforge.net
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+ * Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifdef NDEBUG /* Enable assert always. */
+#undef NDEBUG /* Must undef above assert.h or other that might include it. */
+#endif
+#include <assert.h>
+#include "sox.h"
+
+#define TEST_UINT(bits) \
+ uint##bits = 0; \
+ sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
+ assert(sample == SOX_SAMPLE_MIN); \
+ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
+ assert(uint##bits == 0 && clips == 0); \
+ \
+ uint##bits = 1; \
+ sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
+ assert(sample > SOX_SAMPLE_MIN && sample < 0); \
+ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
+ assert(uint##bits == 1 && clips == 0); \
+ \
+ uint##bits = SOX_INT_MAX(bits); \
+ sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
+ assert(sample * SOX_INT_MAX(bits) == SOX_UNSIGNED_TO_SAMPLE(bits,1)); \
+ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
+ assert(uint##bits == SOX_INT_MAX(bits) && clips == 0); \
+ \
+ sample =SOX_UNSIGNED_TO_SAMPLE(bits,1)+SOX_UNSIGNED_TO_SAMPLE(bits,SOX_INT_MAX(bits))/2; \
+ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
+ assert(uint##bits == 1 && clips == 0); \
+ \
+ sample = SOX_UNSIGNED_TO_SAMPLE(bits,1)+SOX_UNSIGNED_TO_SAMPLE(bits,SOX_INT_MAX(bits))/2-1; \
+ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
+ assert(uint##bits == 0 && clips == 0); \
+ \
+ uint##bits = (0^SOX_INT_MIN(bits)); \
+ sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
+ assert(sample == 0); \
+ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
+ assert(uint##bits == (0^SOX_INT_MIN(bits)) && clips == 0); \
+ \
+ uint##bits = ((0^SOX_INT_MIN(bits))+1); \
+ sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
+ assert(sample > 0 && sample < SOX_SAMPLE_MAX); \
+ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
+ assert(uint##bits == ((0^SOX_INT_MIN(bits))+1) && clips == 0); \
+ \
+ uint##bits = SOX_UINT_MAX(bits); \
+ sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
+ assert(sample == SOX_INT_MAX(bits) * SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))); \
+ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
+ assert(uint##bits == SOX_UINT_MAX(bits) && clips == 0); \
+ \
+ sample =SOX_UNSIGNED_TO_SAMPLE(bits,SOX_UINT_MAX(bits))+SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))/2-1; \
+ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
+ assert(uint##bits == SOX_UINT_MAX(bits) && clips == 0); \
+ \
+ sample = SOX_UNSIGNED_TO_SAMPLE(bits,SOX_UINT_MAX(bits))+SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))/2; \
+ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
+ assert(uint##bits == SOX_UINT_MAX(bits) && --clips == 0); \
+ \
+ sample = SOX_SAMPLE_MAX; \
+ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
+ assert(uint##bits == SOX_UINT_MAX(bits) && --clips == 0); \
+
+#define TEST_SINT(bits) \
+ int##bits = SOX_INT_MIN(bits); \
+ sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \
+ assert(sample == SOX_SAMPLE_MIN); \
+ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
+ assert(int##bits##_2 == int##bits && clips == 0); \
+ \
+ int##bits = SOX_INT_MIN(bits)+1; \
+ sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \
+ assert(sample > SOX_SAMPLE_MIN && sample < 0); \
+ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
+ assert(int##bits##_2 == int##bits && clips == 0); \
+ \
+ int##bits = SOX_UINT_MAX(bits) /* i.e. -1 */; \
+ sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \
+ assert(sample * SOX_INT_MAX(bits) == SOX_SIGNED_TO_SAMPLE(bits,SOX_INT_MIN(bits)+1)); \
+ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
+ assert(int##bits##_2 == int##bits && clips == 0); \
+ \
+ int##bits = SOX_INT_MIN(bits)+1; \
+ sample =SOX_UNSIGNED_TO_SAMPLE(bits,1)+SOX_UNSIGNED_TO_SAMPLE(bits,SOX_INT_MAX(bits))/2; \
+ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
+ assert(int##bits##_2 == int##bits && clips == 0); \
+ \
+ int##bits = SOX_INT_MIN(bits); \
+ sample = SOX_UNSIGNED_TO_SAMPLE(bits,1)+SOX_UNSIGNED_TO_SAMPLE(bits,SOX_INT_MAX(bits))/2-1; \
+ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
+ assert(int##bits##_2 == int##bits && clips == 0); \
+ \
+ int##bits = 0; \
+ sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \
+ assert(sample == 0); \
+ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
+ assert(int##bits##_2 == int##bits && clips == 0); \
+ \
+ int##bits = 1; \
+ sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \
+ assert(sample > 0 && sample < SOX_SAMPLE_MAX); \
+ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
+ assert(int##bits##_2 == int##bits && clips == 0); \
+ \
+ int##bits = SOX_INT_MAX(bits); \
+ sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \
+ assert(sample == SOX_INT_MAX(bits) * SOX_SIGNED_TO_SAMPLE(bits,1)); \
+ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
+ assert(int##bits##_2 == int##bits && clips == 0); \
+ \
+ sample =SOX_UNSIGNED_TO_SAMPLE(bits,SOX_UINT_MAX(bits))+SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))/2-1; \
+ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
+ assert(int##bits##_2 == int##bits && clips == 0); \
+ \
+ sample =SOX_UNSIGNED_TO_SAMPLE(bits,SOX_UINT_MAX(bits))+SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))/2; \
+ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
+ assert(int##bits##_2 == int##bits && --clips == 0); \
+ \
+ sample = SOX_SAMPLE_MAX; \
+ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
+ assert(int##bits##_2 == int##bits && --clips == 0);
+
+#if defined __GNUC__
+ #pragma GCC system_header
+#elif defined __SUNPRO_CC
+ #pragma disable_warn
+#elif defined _MSC_VER
+ #pragma warning(push, 1)
+#endif
+
+int main()
+{+ int8_t int8;
+ int16_t int16;
+ int24_t int24;
+
+ uint8_t uint8;
+ uint16_t uint16;
+ uint24_t uint24;
+
+ int8_t int8_2;
+ int16_t int16_2;
+ int24_t int24_2;
+
+ sox_sample_t sample;
+ size_t clips = 0;
+
+ double d;
+ SOX_SAMPLE_LOCALS;
+
+ TEST_UINT(8)
+ TEST_UINT(16)
+ TEST_UINT(24)
+
+ TEST_SINT(8)
+ TEST_SINT(16)
+ TEST_SINT(24)
+
+ d = -1.000000001;
+ sample = SOX_FLOAT_64BIT_TO_SAMPLE(d, clips);
+ assert(sample == SOX_SAMPLE_MIN && --clips == 0);
+
+ d = -1;
+ sample = SOX_FLOAT_64BIT_TO_SAMPLE(d, clips);
+ assert(sample == SOX_SAMPLE_MIN && clips == 0);
+ d = SOX_SAMPLE_TO_FLOAT_64BIT(sample,clips);
+ assert(d == -1 && clips == 0);
+
+ d = 1;
+ sample = SOX_FLOAT_64BIT_TO_SAMPLE(d, clips);
+ assert(sample == SOX_SAMPLE_MAX && clips == 0);
+ d = SOX_SAMPLE_TO_FLOAT_64BIT(sample,clips);
+ assert(fabs(d - 1) < 1e-9 && clips == 0);
+
+ d = 1.0000000001;
+ sample = SOX_FLOAT_64BIT_TO_SAMPLE(d, clips);
+ assert(sample == SOX_SAMPLE_MAX && --clips == 0);
+
+ return 0;
+}
+
+#if defined __SUNPRO_CC
+ #pragma enable_warn
+#elif defined _MSC_VER
+ #pragma warning(pop)
+#endif